Orbital elements of SL-8 R/B
| Launched | 26 February 1990 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 20509 |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| 2026 Aug 15 17:57 | 2026 Aug 12 22:10:45 | 82.9545 | 0.00429 | 0.6000 | 180.2339 | 179.8805 | 13.75895 | 5.243 |
| 2026 Aug 14 17:56 | 2026 Aug 12 22:10:45 | 82.9545 | 0.00429 | 0.6000 | 180.2339 | 179.8805 | 13.75895 | 5.243 |
| 2026 Aug 13 17:57 | 2026 Aug 12 22:10:45 | 82.9545 | 0.00429 | 0.6000 | 180.2339 | 179.8805 | 13.75895 | 5.243 |
| 2026 Aug 12 17:56 | 2026 Aug 06 23:03:49 | 82.9536 | 0.00425 | 0.8945 | 196.9517 | 179.8805 | 13.75895 | 5.243 |
| 2026 Aug 11 17:56 | 2026 Aug 06 23:03:49 | 82.9536 | 0.00425 | 0.8945 | 196.9517 | 179.8805 | 13.75895 | 5.243 |
| 2026 Aug 10 17:56 | 2026 Aug 06 23:03:49 | 82.9536 | 0.00425 | 0.8945 | 196.9517 | 179.8805 | 13.75895 | 5.243 |
| 2026 Aug 09 17:57 | 2026 Aug 06 23:03:49 | 82.9536 | 0.00425 | 0.8945 | 196.9517 | 179.8805 | 13.75895 | 5.243 |
| 2026 Aug 08 17:57 | 2026 Aug 06 23:03:49 | 82.9536 | 0.00425 | 0.8945 | 196.9517 | 179.8805 | 13.75895 | 5.243 |
| 2026 Aug 07 17:57 | 2026 Aug 06 23:03:49 | 82.9536 | 0.00425 | 0.8945 | 196.9517 | 179.8805 | 13.75895 | 5.243 |
| 2026 Aug 06 17:57 | 2026 Jul 31 23:56:54 | 82.9527 | 0.00422 | 1.1891 | 213.8725 | 179.8805 | 13.75895 | 5.243 |
| 2026 Aug 05 17:56 | 2026 Jul 31 23:56:54 | 82.9527 | 0.00422 | 1.1891 | 213.8725 | 179.8805 | 13.75895 | 5.243 |
| 2026 Aug 04 17:57 | 2026 Jul 31 23:56:54 | 82.9527 | 0.00422 | 1.1891 | 213.8725 | 179.8805 | 13.75895 | 5.243 |
| 2026 Aug 03 17:56 | 2026 Jul 31 23:56:54 | 82.9527 | 0.00422 | 1.1891 | 213.8725 | 179.8805 | 13.75895 | 5.243 |
| 2026 Aug 02 17:57 | 2026 Jul 31 23:56:54 | 82.9527 | 0.00422 | 1.1891 | 213.8725 | 179.8805 | 13.75895 | 5.243 |
| 2026 Aug 01 17:57 | 2026 Jul 31 23:56:54 | 82.9527 | 0.00422 | 1.1891 | 213.8725 | 179.8805 | 13.75895 | 5.243 |
| 2026 Jul 31 17:56 | 2026 Jul 26 23:31:19 | 82.9521 | 0.00419 | 1.4370 | 228.1659 | 179.8805 | 13.75895 | 5.243 |
| 2026 Jul 30 17:57 | 2026 Jul 26 23:31:19 | 82.9521 | 0.00419 | 1.4370 | 228.1659 | 179.8805 | 13.75895 | 5.243 |
| 2026 Jul 29 17:57 | 2026 Jul 26 23:31:19 | 82.9521 | 0.00419 | 1.4370 | 228.1659 | 179.8805 | 13.75895 | 5.243 |
| 2026 Jul 28 17:57 | 2026 Jul 26 23:31:19 | 82.9521 | 0.00419 | 1.4370 | 228.1659 | 179.8805 | 13.75895 | 5.243 |
| 2026 Jul 27 17:57 | 2026 Jul 26 23:31:19 | 82.9521 | 0.00419 | 1.4370 | 228.1659 | 179.8805 | 13.75895 | 5.243 |
| 2026 Jul 26 17:56 | 2026 Jul 21 00:24:24 | 82.9515 | 0.00417 | 1.7316 | 245.2957 | 179.8805 | 13.75895 | 5.243 |
| 2026 Jul 25 17:57 | 2026 Jul 21 00:24:24 | 82.9515 | 0.00417 | 1.7316 | 245.2957 | 179.8805 | 13.75895 | 5.243 |
| 2026 Jul 24 17:56 | 2026 Jul 21 00:24:24 | 82.9515 | 0.00417 | 1.7316 | 245.2957 | 179.8805 | 13.75895 | 5.243 |
| 2026 Jul 23 17:57 | 2026 Jul 21 00:24:24 | 82.9515 | 0.00417 | 1.7316 | 245.2957 | 179.8805 | 13.75895 | 5.243 |
| 2026 Jul 22 17:57 | 2026 Jul 21 00:24:24 | 82.9515 | 0.00417 | 1.7316 | 245.2957 | 179.8805 | 13.75895 | 5.243 |
| 2026 Jul 21 17:57 | 2026 Jul 21 00:24:24 | 82.9515 | 0.00417 | 1.7316 | 245.2957 | 179.8805 | 13.75895 | 5.243 |
| 2026 Jul 20 17:57 | 2026 Jul 15 23:58:51 | 82.9514 | 0.00416 | 1.9795 | 259.7452 | 179.8805 | 13.75895 | 5.243 |
| 2026 Jul 19 19:06 | 2026 Jul 15 23:58:51 | 82.9514 | 0.00416 | 1.9795 | 259.7452 | 179.8805 | 13.75895 | 5.243 |
| 2026 Jul 19 17:57 | 2026 Jul 15 23:58:51 | 82.9514 | 0.00416 | 1.9795 | 259.7452 | 179.8805 | 13.75895 | 5.243 |